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DimensionJSHookMCPAn MCP server giving AI agents 600+ tools across 34 domains for JavaScript analysis and security research — browser automation, CDP debugging, network interception, JS hooks, LLM-powered code analysis, and workflow orchestration.Context7Upstash's official server providing up-to-date third-party library docs for AI coding assistants
FMRS44 / 100 · D80 / 100 · B
Reliability5 / 2014 / 20
Security and permissions5 / 2016 / 20
Maintenance10 / 2017 / 20
Documentation12 / 2015 / 20
Setup experience12 / 2018 / 20
Best for
  • Security researchers specializing in JavaScript and reverse engineering
  • Developers needing browser automation and network debugging
  • Teams leveraging AI agents for dynamic code analysis
  • MCP users needing progressive tool profiles to optimize context
  • Developers using fast-moving frameworks/libraries worried about the AI suggesting stale code
  • Scenarios wanting zero-config documentation lookup
Not for
  • General applications needing simple API access
  • Users uninterested in reverse engineering or browser automation
  • Those needing a minimal server without extra dependencies (use the search profile to reduce resource usage)
  • Looking up internal/private codebase documentation (Context7 targets publicly published open-source libraries)
  • Cases needing very high coverage of obscure, niche libraries (coverage depends on what Context7's platform has indexed)
Required permissions
  • Access to browser debugging interfaces (CDP)
  • Starting a local HTTP server bound to 127.0.0.1
  • Generating and managing local HTTPS certificates for traffic interception
  • Optional download of heavy dependencies (e.g., ONNX, Z3) when using full profiles
  • Usable without an API key (subject to a free-tier rate limit); CONTEXT7_API_KEY is an optional credential for higher quota
  • Read-only documentation lookup — no code execution or local filesystem access involved
Risks and side effects
  • Anti-detection and CAPTCHA features may violate third-party terms of service
  • Network interception could be misused; ensure lawful use
  • Running many tools may consume significant system resources
  • Exposing the HTTP endpoint without MCP_AUTH_TOKEN could allow unauthorized access
  • The free tier has limited quota — high-frequency use may hit rate limits
  • Documentation content comes from Context7's platform index, so its accuracy and freshness depend on that platform's crawl cadence
Supported clientsClaude Desktop, CursorClaude Code, VS Code, Cursor, Cline, Amp
Tools52